Knox County, East Tennessee, Tennessee, United States

Last updated: 12:32 PM CDT · Refresh

29°C

Feels like 32°

Partly Cloudy

▲ 29° / ▼ 21°

Wind

9 mph WSW

Humidity

64%

Dew Point

21°

Pressure

29.01 inHg

Visibility

10 mi

UV Index

8.3

Cloud Cover

58%

Sunrise

6:26 AM

Sunset

8:54 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently partly cloudy at 29°C. Precipitation is likely — peak probability 90% around 1 PM. Atmospheric instability is elevated (CAPE up to 1339 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 8:54PM.

40 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

29°

48%

2 PM

29°

41%

3 PM

28°

42%

4 PM

29°

42%

5 PM

28°

33%

6 PM

29°

33%

7 PM

28°

20%

8 PM

28°

25%

9 PM

27°

36%

10 PM

25°

36%

11 PM

25°

37%

12 AM

24°

27%

1 AM

24°

31%

2 AM

23°

36%

3 AM

23°

54%

4 AM

23°

58%

5 AM

23°

59%

6 AM

21°

59%

7 AM

21°

54%

8 AM

22°

63%

9 AM

23°

69%

10 AM

24°

74%

11 AM

25°

74%

12 PM

24°

79%

7-Day Forecast

Today

29° 21°

Partly Cloudy with a 48% chance of rain.

Fri

29° 21°

Overcast with a 90% chance of rain.

Sat

31° 21°

Mostly Cloudy with a 90% chance of rain.

Sun

27° 20°

Mostly Cloudy with a 77% chance of rain.

Mon

29° 18°

Drizzle, 68% chance.

Tue

29° 18°

Clear.

Wed

31° 18°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 29° Partly Cloudy 48% 9 mph WSW 64%

2 PM 29° Mostly Cloudy 41% 10 mph WSW 64%

3 PM 28° Mostly Cloudy 42% 9 mph SW 69%

4 PM 29° Partly Cloudy 42% 9 mph SW 71%

5 PM 28° Partly Cloudy 33% 9 mph SW 72%

6 PM 29° Partly Cloudy 33% 8 mph SW 75%

7 PM 28° Partly Cloudy 20% 6 mph SW 78%

8 PM 28° Partly Cloudy 25% 5 mph SW 82%

9 PM 27° Mostly Clear 36% 5 mph SSW 86%

10 PM 25° Mostly Clear 36% 4 mph SSW 89%

11 PM 25° Mostly Clear 37% 4 mph SW 90%

12 AM 24° Partly Cloudy 27% 4 mph SW 89%

1 AM 24° Mostly Cloudy 31% 5 mph SW 88%

2 AM 23° Mostly Cloudy 36% 6 mph SW 87%

3 AM 23° Mostly Cloudy 54% 7 mph SW 88%

4 AM 23° Mostly Cloudy 58% 7 mph SW 89%

5 AM 23° Mostly Cloudy 59% 7 mph SW 90%

6 AM 21° Mostly Cloudy 59% 7 mph SW 90%

7 AM 21° Mostly Cloudy 54% 7 mph SW 90%

8 AM 22° Mostly Cloudy 63% 7 mph SW 88%

9 AM 23° Mostly Cloudy 69% 7 mph SW 83%

10 AM 24° Mostly Cloudy 74% 7 mph SW 79%

11 AM 25° Mostly Cloudy 74% 6 mph SW 78%

12 PM 24° Overcast 79% 6 mph SW 82%

15-Day Forecast

Today

7/9

Partly Cloudy

48%

21°

29°

Fri

7/10

Overcast

90%

21°

29°

Sat

7/11

Mostly Cloudy

90%

21°

31°

Sun

7/12

Mostly Cloudy

77%

20°

27°

Mon

7/13

Drizzle

68%

18°

29°

Tue

7/14

Clear

19%

18°

29°

Wed

7/15

Clear

19%

18°

31°

Thu

7/16

Drizzle

60%

19°

31°

Fri

7/17

Drizzle

60%

19°

31°

Sat

7/18

Drizzle

60%

20°

32°

Sun

7/19

Drizzle

60%

21°

32°

Mon

7/20

Drizzle

60%

20°

31°

Tue

7/21

Drizzle

60%

20°

31°

Wed

7/22

Drizzle

60%

20°

32°

Thu

7/23

Drizzle

60%

20°

32°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

40 AQI 7.2 µg/m³

O₃

Ground-level ozone

33 AQI 36 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Fri 40 Good 33 40

Sat 44 Good 32 44

Sun 38 Good 24 38

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Thu Jul 9, 16:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1805 J/kg

MLCAPE1070 J/kg

MUCAPE1805 J/kg

SBCIN0 J/kg

MLCIN-0 J/kg

Lifted Index-5.2

Kinematics

0–6 km Shear19 kt

0–1 km Shear7 kt

Eff. Shear19 kt

0–1 km SRH-24

0–3 km SRH-44

Eff. SRH-44

Storm Motion224° @ 26 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index35.5

Thermo & Levels

PWAT1.85 in

0–3 km LR7.6 °C/km

700–500 LR5.3 °C/km

Total Totals45.9

LCL874 hPa

LFC982 hPa

EL194 hPa

Freezing Lvl14,308 ft

Knox County, East Tennessee, Tennessee, United States

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